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All results from a given calculation for MgCl2 (Magnesium dichloride)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-1120.708415
Energy at 298.15K-1120.708423
Nuclear repulsion energy133.762443
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 323 306 0.00      
2 Σu 623 591 161.94      
3 Πu 111 105 61.19      
3 Πu 111 105 61.19      

Unscaled Zero Point Vibrational Energy (zpe) 583.4 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 553.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31G*
B
0.05045

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 0.000
Cl2 0.000 0.000 2.186
Cl3 0.000 0.000 -2.186

Atom - Atom Distances (Å)
  Mg1 Cl2 Cl3
Mg12.18572.1857
Cl22.18574.3715
Cl32.18574.3715

picture of Magnesium dichloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Mg1 Cl3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.543      
2 Cl -0.272      
3 Cl -0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.076 0.000 0.000
y 0.000 -33.076 0.000
z 0.000 0.000 -50.513
Traceless
 xyz
x 8.719 0.000 0.000
y 0.000 8.719 0.000
z 0.000 0.000 -17.437
Polar
3z2-r2-34.875
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.260 0.000 0.000
y 0.000 4.260 0.000
z 0.000 0.000 8.235


<r2> (average value of r2) Å2
<r2> 186.723
(<r2>)1/2 13.665